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	param	t-stat
$ω$	0.0118	2.74
$α$	0.1304	31.42
$β$	0.9774	552.22
$γ$	-0.1164	-27.18

V-Lab

State Street SPDR Portfolio S&P 400 Mid Cap ETF EGARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:15.02% (+2.50%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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